Joro Spiders in the South

picture of joro spider on web

Summertime in the South can bring about many insects, spiders, and other pests. The Joro spider is one you’ve probably seen in more recent years as they have invaded Georgia. Joro spiders are a newer species in Georgia, and while they don’t pose much of a threat to humans, we do receive lots of questions about them and it’s worth discussing. 

What does a Joro spider look like?

Joro spiders have bodies that are one inch in length with legs that are up to four inches in length. Their bodies are blue-gray and yellow, with red markings on their abdomens. Their webs are golden in color and can often be seen in trees and on power lines, porches and more. 

Where did they come from?

This invasive species is native to Japan, China, Korea, and Taiwan and was first discovered in Georgia in 2013. While we don’t know for certain, experts at the University of Georgia suspect Joro spiders found their way here through shipping containers or among packing materials that were shipped here, such as crates or pallets, or even on live plant materials. Since arriving in the U.S., they have spread to other areas of the East coast.

Why are Joros so invasive?

Joro spiders are able to travel by “ballooning.” This takes place when young spiders (also known as spiderlings) release a small strand of silk that then latches on to a current of air and they ride the wind to a new location. Each spring, their offspring repeats the process.

Are Joro spiders harmful to humans? What about my pets?

Joro spiders are relatively harmless for people and pets. As a matter of fact, they don’t bite unless they are cornered, and their fangs are usually not long enough to break human skin. Bites by this species are very rare and according to PestWorld, would feel like a bee sting. 

Do they cause damage to the ecosystem? 

Currently, there is no research to indicate that Joro spiders are causing damage to any ecosystem. However, they have proven to be able to capture and feed on the adult brown marmorated stink bug, an invasive pest that can damage crops as well as make themselves at home in your house. 

How can I get rid of Joro spiders?

Joro spiders run when their webs are disturbed, so you can try knocking them down with a broom or stick. However, most researchers agree that would be quite a futile effort. The best thing you can do to remove these and any other pests from your property or home is to contact got bugs? Termite and Pest Solutions. Our highly skilled technicians will inspect your property and determine the best treatment plan to take care of your problem. Contact us today at 678-870-6170 or request a free estimate.

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